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Ultrasound trick may spare patients a neck catheter

NCT ID NCT06166875

Knowledge-focused Sponsor: Nermeen Shawky Ahmed Mohamed Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether a simple ultrasound measurement of the large vein in the belly (the inferior vena cava) can accurately estimate central venous pressure, which is normally measured with a catheter placed in the neck or chest. Researchers studied 160 spontaneously breathing adults who needed a central line for their care. If the ultrasound method proves accurate, it could offer a less invasive way to monitor fluid status in sick patients.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could provide a noninvasive way to estimate central venous pressure, reducing the need for invasive monitoring.
What could go wrong
This is a completed observational study; results may not apply to all patients, especially those on ventilators or with high abdominal pressure.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

160 people

The number who actually took part.

Started

Dec 2023

Finished

Apr 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adult patients admitted to ICU

Ages

18 years and older

Sex

Anyone

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age: ≥18 years. * Sex: Both sexes. * BMI: \<35 * Patient in whom central venous cannulation is needed for management. * Spontaneously breathing patients. Exclusion Criteria: * Patients with increased intra abdominal pressure. * Patients who not able to lie supine. * Patients on mechanical ventilation.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Ivc collapsibility index

Contacts and locations

Locations

  • Department of Anesthesiology, Intensive Care, and Pain Management, Faculty of Medicine, Ain Shams University

    Cairo, 11517, Egypt